http://blogs.iis.net/hosterposter/archive/2007/08/06/hosting-asp-net-for-net-framework-3-5-beta-2-in-medium-or-partial-trust.aspxIf you're hosting the .NET Framework 3.5 (Beta 2) or planning on it, keep in mind there is some additional work required for the Beta 2 bits. The attached document describes two issues (and their corresponding workarounds) when hosting ASP.NET websitesenCommunityServer 2007 SP1 (Build: 20510.895)